title: Ultrafast all-optical switching in nanoplasmonic waveguide with Kerr nonlinear resonator.
abstract: A novel ultrafast all-optical switching based on metal-insulator-metal nanoplasmonic waveguide with a Kerr nonlinear resonator is proposed and investigated numerically. With the finite-difference time-domain simulations, it is demonstrated that an obvious optical bistability of the signal light appears by varying the control-light intensity, and an excellent switching effect is achieved. This bistability originates from the intensity-dependent change induced in the dielectric constant of Kerr nonlinear material filled in the nanodisk resonator. It is found that the proposed all-optical switching exhibits femtosecond-scale feedback time.
authors.affiliation: State Key Laboratory of Transient Optics and Photonics, Xi’an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi’an 710119, China.
authors.forename: Hua
authors.initials: H
authors.lastname: Lu
authors.forename: Xueming
authors.initials: X
authors.lastname: Liu
authors.forename: Leiran
authors.initials: L
authors.lastname: Wang
authors.forename: Yongkang
authors.initials: Y
authors.lastname: Gong
authors.forename: Dong
authors.initials: D
authors.lastname: Mao